Here are some of my free open source projects:

Name/LinkWorks OnDescription
SuperChocChipCross-PlatformAn emulator for CHIP-8, CHIP-8 -- Double-height screen, CHIP-48, Super-CHIP 1.0, Super-CHIP 1.1, XO-CHIP and XO-CHIP -- Extended colour systems.
AsylumCross-PlatformAn up-to-date port of the C SDL Asylum platform game for current systems, with lots of fixes and enhancements.

This is an archive of some free mini-tools I wrote in my spare time, many of which were written before 2003.

Name/LinkWorks OnDescription
RefreshForceWindows 2000, XPThe de-facto refresh rate fixer which was used around the world by millions.
RefreshLockWindows 2000, XP, Vista, 7, 8, 8.1, 10The original refresh fix with added monitor power-save and system-locking tools.
Hot 'n' NoisyWindows XP, Vista, 7, 8, 8.1, 10Makes old games that require constant CPU timing run properly (such as those based on the Unreal engine)
GlonimWindows 95, 98, 98SE, Me, 2K, XPFancy system-wide window animations and textured backgrounds using hook-based interrupts. Extras included such as toolbar bitmaps, RAM in the start button text, transparent taskbar/windows and more.
CutWarnWindows 95, 98, 98SE, Me, 2K, XP, Vista, 7, 8, 8.1, 10A simple alert system for people on dial-up. Includes system tray icon with pie-chart, customisable audio and visual alerts, and more.
TransDeskWindows 95, 98, 98SE, Me, 2KRemoves the solid colours behind desktop icon texts and is command-line driven. Only 24KB.
IntSpeakerWindows 2000, XP (Vista, 7, 8, 8.1, 10 also work with a system speaker driver, otherwise they use the default sound device)Use the command-line to turn your PC's otherwise unused internal speaker into a handy notifier.

All of these programs are written from scratch — no third-party components were used, only the programming language itself.

Historic RISC OS programs that still are available for use with the Raspberry Pi:

NameWorks OnDescription
SavouryRISC OS 3.1, 3.11, 4 (& 5?)The ultimate screen saver converter and manager for all editions of RISC OS from 3 and up.